Experience of application of microbiological fertilizers km series in agricultural production

«OIL CROPS» Scientific bulletin, VNIIMK, 2006, is 2 (135). The three-year application of microbiological fertilizers of KM series in conditions of the Belgorod region testifies to their positive influence on crop production efficiency both at single, and periodic application in view of prolonged effects. The forecasts of a yield gain due to KM complex application for winter and spring grains and sunflower at a level 10-15 % can be Reliable enough for east areas of the Belgorod region. The first experience of KM application at sunflower cultivation (2003). has shown an opportunity of increase a yield up to 10 % with simultaneous increase of oil content of seed. Technically and economically expedient periodic KM application on separate fields with two-year-old cycles of introductions and expectations is represented.